Patents by Inventor Harold N. Byrd

Harold N. Byrd has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Signal device for use with a mailbox
    Patent number: 5588588
    Abstract: A delivery signal device for use on a variety of mailbox types is provided. When the mailbox door is opened, a sliding--pivoting mechanism is engaged which releases an indicating member, thereby signaling that mail has been delivered.
    Type: Grant
    Filed: February 2, 1995
    Date of Patent: December 31, 1996
    Assignee: B&B Partnership
    Inventor: Harold N. Byrd